通过FragmentActivity去实现ActionBar的Tab分版 实测成功【原创】

Tab, ActionBar, TabListener, fragment, FragmentActivity, fragment

下面是主程序MainActivity.java
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package com.example.tabs3;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.Activity;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

    private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Set up the action bar.
        final ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        // For each of the sections in the app, add a tab to the action bar.
        //注意红色字的地方需要改为你自己的程序名字
        actionBar.addTab(actionBar.newTab().setText("版面1号")
        .setTabListener(new TabListener<TabOne>(this, "tabone", TabOne.class)));
        actionBar.addTab(actionBar.newTab().setText("版面2号")
        .setTabListener(new TabListener<TabTwo>(this, "tabtwo", TabTwo.class)));
        actionBar.addTab(actionBar.newTab().setText("版面3号")
        .setTabListener(new TabListener<TabThree>(this, "tabthree", TabThree.class)));
    }

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
        if (savedInstanceState.containsKey(STATE_SELECTED_NAVIGATION_ITEM)) {
            getActionBar().setSelectedNavigationItem(
                    savedInstanceState.getInt(STATE_SELECTED_NAVIGATION_ITEM));
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        outState.putInt(STATE_SELECTED_NAVIGATION_ITEM,
                getActionBar().getSelectedNavigationIndex());
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    public class TabListener<T extends Fragment> implements ActionBar.TabListener {
        private Fragment mFragment;
        private final Activity mActivity;
        private final String mTag;
        private final Class<T> mClass;

        /** Constructor used each time a new tab is created.
          * @param activity  The host Activity, used to instantiate the fragment
          * @param tag  The identifier tag for the fragment
          * @param clz  The fragment's Class, used to instantiate the fragment
          */
        public TabListener(Activity activity, String tag, Class<T> clz) {
            mActivity = activity;
            mTag = tag;
            mClass = clz;
        }

        /* The following are each of the ActionBar.TabListener callbacks */
        public void onTabSelected(Tab tab, FragmentTransaction ft) {
        mFragment = Fragment.instantiate(mActivity, mClass.getName());
            getSupportFragmentManager().beginTransaction()
            .replace(R.id.container, mFragment)
            .commit();
        }

        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
        }

        public void onTabReselected(Tab tab, FragmentTransaction ft) {
        }
    }

@Override
public void onTabReselected(Tab arg0, FragmentTransaction arg1) {
// TODO Auto-generated method stub
}

@Override
public void onTabSelected(Tab arg0, FragmentTransaction arg1) {
// TODO Auto-generated method stub
}

@Override
public void onTabUnselected(Tab arg0, FragmentTransaction arg1) {
// TODO Auto-generated method stub
}

}
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下面是分版的程序TabOne.java、TabTwo.java、TabThree.java依次类推
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package com.example.tabs3;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
//注意红色字的地方需要改为你自己的程序名字
public class TabOne extends Fragment
{
@Override
   public void onActivityCreated(Bundle savedInstanceState) {
   super.onActivityCreated(savedInstanceState);
   }
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState)
{
View view = inflater.inflate(R.layout.tabone, container, false);
return view;
}
}
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下面是分版的程序的版面布局tabone.xml
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas./apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:text="Tab One" />

</RelativeLayout>
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